Shaanxi, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2008, ISO14001:2004, OHSAS18001:2007
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
Sample Available

O Ring, Rubber Ring, Oil Seal manufacturer / supplier in China, offering Oil Resistant Black Color NBR Nitrile Rubber O Ring, New Product! Rubber O Ring EPDM Especially for Sf6 Seal Other Chemical Gas Sealing on Switches and Reactors, EPDM Resist Sf6 Rubber Oring in Vulcanized Rubber for Electrical Power Equipments Whole Sale and so on.

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Oil Resistant Black Color NBR Nitrile Rubber O Ring

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $0.1/ Piece
Port: Shanghai, China
Production Capacity: 50000PCS/Month
Payment Terms: L/C, T/T
Material: NBR
Application: Electric
Type: Oil Seal
Performance: High Pressure
Shape: O-Ring
Standard: Standard, Nonstandard, Profiled

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Basic Info

Model NO.
NBR O-ring
Place of Origin
Inner Package
Plastic Bags for Inner Package
Outside Package
Cartons for Outside
Sky Rubber
Transport Package
Plastic Bag for Inner Package, Cartons for Outside
Shannxi, China
HS Code
Quick details:
Standard or nonstandard: standard    
Style: o-ring rubber tape rubber hose rubber bead rubber slab

Material: NR, NBR, EPDM, Viton, CSM, HNBR, FVMQ, ACM, VMQ
Place of origin: Shannxi China (Mainland)                 Brand name: sky rubber
Model number:                                       Color: black, other colors as you like   
Size: GB or customization                      Certificate: ISO9001 ISO14001 GB/T28001-2001
Hardness: shoreA30-80                                  Free sample: available
Supplier: factory direct sale                            Factory experience: more than 20 years

packaging detail: plastic bags for inner package, cartons for outside package
delivery time detail: 5-14days

NBR Main Features
SNItemIndexTest ResultStandard
1Hardness ShoreA70±569GB/T 531.1-2008
2Tensile Strength MPa1516GB/T 528-2009
3Elongation at Break %250390GB/T 528-2009
4Tear Strength kN/m3036GB/T 529-2009
5Compression Set in Hot Air%(125ºC×24H,
Compression 25%,B Sample)
3527GB/T 7759-1996
6Compression Set in25# Transformer Oil%(125ºC×168H,Compression 25%,B Sample)5045GB/T 7759-1996
7Resistant to 25# Transformer Oil,
Variation of Hardness-2~+∞+2GB/T 1690-2010
Variation Ratio of Volume-2~+8+3
8Compatibility with 25# Transformer Oil(Sample Thickness 6mm,Surface Area 65cm²,100ºC×164H)Variation of Dielectric Loss Factor% tanδ(90ºC)10.6GB/T 5654-2007
9Resistant to Ozone Cracking Static Strain(Elongation 20%, 0.5µL/L,16H,40ºC)No CracksNo CracksGB/T 7762-2003
10Brittleness Temperature , ºC-30-30
GB/T 1682-1994
The oil-proof rubber product for high-voltage electrical appliances avoid the shortcomings of traditional NBR ones, asopting the military composite materials and special techniques. Theadvantagesarethefollowing:
a. Advanced Formulations. Perfect Production Process, Strict Process Controlling. Reliable and Steady Quality Assurance
b. Unique formulation guarantees rubber elasticity effect
c. Effective seal solves the oil leaking problem
d. Good oil-proof performance and little pollution to transformer oil
e.Selecting materials carefully and well designing ensures the effective seal
According to customer's requirements, the company researched and developed NBR rubber products for the low temperature environment of transformers, which gets perfect low-temperature-resistant property at -60ºC
Oil Resistant Black Color NBR Nitrile Rubber O Ring

a.    Free samples , Samples lead time : 10days
b.    100% manufacturer with more than 20 years' experience
c.    We have a research and development team, have Twelve National Patents
       Patents Number:

CN 103694711 A    CN 202771900 U    CN 201934893 U  
CN 201933261 U     CN 101728064 A

CN 201540800 U    CN 101392163 A    CN 201080803 Y  
CN 201080534 Y      CN 2716981 Y

d.    We are the drafter of the National Standard: JB8448.1-2004
e.    Our raw materials imported from Germany. The performance of raw material is very stable.
f.    We will reply your enquiry in 4 hours .
g.    Certificate: ISO9001:2000,ISO14001  GB/T 28001-2001

Product Process

Oil Resistant Black Color NBR Nitrile Rubber O Ring

packaging detail: plastic bags for inner package, cartons for outside package
delivery time detail: 5-14days

production application example And 
Company Information
     The Special Rubber &Composite Material Division's predecessor of Xi'an Sunward Aeromat Co., Ltd is an aerospace institute. Rubber sealing products for transformer industry were developed in 1992, which offered the best solutions in this field. As a main branch of company, Aeromat with its brand SKY special rubber products became the most famous supplier in China. In 2014, the division output reach to 12 million dollars and the annual capacity gets to 1800 tons.
    We have a number of high-quality research, management and marketing talents, which have intermediate professional titles or bachelor degree or above accounted for 78% of the total staff in full. Plant area is about 100,000 square meters, with the most advanced production and testing equipment, which can produce a variety of molded products, extruded products and rubber, hoses and other products. It can take all kinds of special rubber and rubber research and development performance testing at the same time.

Oil Resistant Black Color NBR Nitrile Rubber O Ring

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